Use cargo-dist etc.

[jwodder]

Closes #63.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.72%. Comparing base (df9e4bc) to head (7380a7a).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #127   +/-   ##
=======================================
  Coverage   90.72%   90.72%           
=======================================
  Files           6        6           
  Lines        2554     2554           
=======================================
  Hits         2317     2317           
  Misses        237      237           

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